Exam 15: Mass Movements: Landscapes in Motion

Where do the largest debris flows and rock slides occur?

Which of the following statements is not true of cohesion?

Cohesion is a particularly important component of resisting strength in ________ minerals.

When describing the nature of materials involved in gravity-driven, downslope movement in order to classify the event it is crucial to describe the material after it has moved downslope.

Which of the following types of flow moves the slowest?

Which of the following terms is not a classification based on particle size?

What caused the debris avalanche from Mount St. Helens in 1980?

Planar slides typically occur along bedding planes, foliation, or joint planes oriented ________ to the slope.

Which of the following scenarios would be most susceptible to mass movements?

The attraction of particles to each other is called

Coarse-grained regolith where 20 to 80 percent of the fragments are greater than 2 millimeters in size is called

Figure 15.11 -Study Figure 15.11 in your textbook. At which minimum angle will the component of gravity that pulls a boulder downward be greater than the component of gravity that holds a boulder against a surface?

If uplift increases elevation, which process most effectively lowers elevation?

A sudden stimulus that causes a mass movement is called

The type of gravity-driven, downslope movement where the material rotates as it moves downslope in contact with a curved surface of rupture is called

Choose the option that lists the factors that are not influences of slope stability studied during hazard assessment?

Which of the following is not a factor used to describe mass-movement processes?

Which set of data relating to the 1991 collapse of New Zealand's Mount Cook is correct?

Which is not a factor that contributes to the modern increase in catastrophes in urban areas?

Which two main factors determine the resisting strength that occurs in a mass movement?